The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 04, 1997
Filed:
May. 02, 1996
Steffen Hertrich, Herzogenaurach, DE;
Ina Walzlager Schaeffler KG, , DE;
Abstract
A roller lever (1) of a casting material configured as a finger lever for a valve drive of an internal combustion engine and comprising a first end portion (2) and a second end portion (4) connected to each other by side walls (7, 8) whose central portions (6) define a free space (9) in which a rotatably mounted supporting roller (10) is guided, said side walls (7, 8) comprising, in a region of the supporting roller (10), circular ring-shaped running surfaces (13, 14) facing the free space (9), the roller lever (1) further comprising a mold parting line (15) resulting from manufacture in a casting mold having a mold parting, characterized in that the mold parting line (15) between two halves of the casting mold extends outside of the running surface (13, 14) along a peripheral contour (16) of the running surfaces (13, 14) and a roller lever of a casting material configured as a rocker arm for a valve drive of an internal combustion engine, one end region of the roller lever being a fork-shaped region for receiving a supporting roller, and side walls of said fork-shaped end region comprising circular ring-shaped running surfaces, the roller lever comprising mold parting line (15) resulting from manufacture in a casting mold having a mold parting, characterized in that the mold parting line (15) between two halves of the casting mold extends outside of the running surfaces (13, 14) along a peripheral contour (16) of the running surfaces (13, 14).